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Fruth's MIL-PRF-131K products are heat sealable and can be used for applications requiring superior tear and puncture resistance as well as protection from light, air and moisture vapor. MIL-PRF-131K refers to a set of specifications the U.S. government uses to assess materials for certain military applications. Rigorously tested in a laboratory setting to ensure compliance with MIL-PRF-131K Class 1 standards, this material contains no amines, amides or N-Octanoic acid and is polycarbonate-compatible.   

We are an ISO 9001:2015 certified manufacturer & distributor of standard & custom EMI static shielding film. Fruth MIL-PRF-131K products meet all FDA and USDA food and safety specifications. Made in the USA.


Many of the materials overlap on characteristics and/or properties. We will work with you to find the barrier material best suited for your product, specifications, and budget. 

foil rolls mil-prf-131k

Fruth 360™ Process

Fruth has a vertically integrated manufacturing process that allows us to manage every step of production, from extrusion to conversion to customization. This allows us to ensure the highest quality at every stage of production and saves clients time, budget and peace of mind. We are the West Coast's premier vertically integrated plastic manufacturing facility.

MIL-PRF-131K in Use

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